Hurricane Pours Over East Coast; More To Come

Overnight, Hurricane Irene pounded the East Coast from North Carolina to New Jersey. The National Hurricane Center reports there will still be heavy winds and rain for the remainder of the day, although the storm is weakening. As many as 3 million people are without power. Guest host John Ydstie and NPR's Joe Palca discuss the causes and aftereffects of Hurricane Irene.